A second attempt at domesticating the tomato

Complete the sentences. Write ONE WORD ONLY from the text in each gap.

11. An undesirable trait such as loss of may be caused by a mutation in a tomato gene.

12. By modifying one gene in a tomato plant, researchers made the tomato three times its original .

13. A type of tomato which was not badly affected by , and was rich in vitamin C, was produced by a team of researchers in China.